tcm_qla2xxx: Offload WRITE I/O backend submission to tcm_qla2xxx wq

[firefly-linux-kernel-4.4.55.git] / drivers / scsi / qla2xxx / qla_def.h

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a2443031dbe76c68c617f26767e269105f075343..39007f53aec0284b9cd855592d786823bbad5786 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -186,6 +186,7 @@
 #define RESPONSE_ENTRY_CNT_2100                64      /* Number of response entries.*/
 #define RESPONSE_ENTRY_CNT_2300                512     /* Number of response entries.*/
 #define RESPONSE_ENTRY_CNT_MQ          128     /* Number of response entries.*/
+#define ATIO_ENTRY_CNT_24XX            4096    /* Number of ATIO entries. */
 
 struct req_que;
 
@@ -1234,11 +1235,27 @@ typedef struct {
  * ISP queue - response queue entry definition.
  */
 typedef struct {
-       uint8_t         data[60];
+       uint8_t         entry_type;             /* Entry type. */
+       uint8_t         entry_count;            /* Entry count. */
+       uint8_t         sys_define;             /* System defined. */
+       uint8_t         entry_status;           /* Entry Status. */
+       uint32_t        handle;                 /* System defined handle */
+       uint8_t         data[52];
        uint32_t        signature;
 #define RESPONSE_PROCESSED     0xDEADDEAD      /* Signature */
 } response_t;
 
+/*
+ * ISP queue - ATIO queue entry definition.
+ */
+struct atio {
+       uint8_t         entry_type;             /* Entry type. */
+       uint8_t         entry_count;            /* Entry count. */
+       uint8_t         data[58];
+       uint32_t        signature;
+#define ATIO_PROCESSED 0xDEADDEAD              /* Signature */
+};
+
 typedef union {
        uint16_t extended;
        struct {
@@ -1719,11 +1736,13 @@ typedef struct fc_port {
        struct fc_rport *rport, *drport;
        u32 supported_classes;
 
-       uint16_t vp_idx;
        uint8_t fc4_type;
        uint8_t scan_state;
 } fc_port_t;
 
+#define QLA_FCPORT_SCAN_NONE   0
+#define QLA_FCPORT_SCAN_FOUND  1
+
 /*
  * Fibre channel port/lun states.
  */
@@ -1747,6 +1766,7 @@ static const char * const port_state_str[] = {
 #define FCF_LOGIN_NEEDED       BIT_1
 #define FCF_FCP2_DEVICE                BIT_2
 #define FCF_ASYNC_SENT         BIT_3
+#define FCF_CONF_COMP_SUPPORTED BIT_4
 
 /* No loop ID flag. */
 #define FC_NO_LOOP_ID          0x1000
@@ -2419,6 +2439,40 @@ struct qlfc_fw {
        uint32_t len;
 };
 
+struct qlt_hw_data {
+       /* Protected by hw lock */
+       uint32_t enable_class_2:1;
+       uint32_t enable_explicit_conf:1;
+       uint32_t ini_mode_force_reverse:1;
+       uint32_t node_name_set:1;
+
+       dma_addr_t atio_dma;    /* Physical address. */
+       struct atio *atio_ring; /* Base virtual address */
+       struct atio *atio_ring_ptr;     /* Current address. */
+       uint16_t atio_ring_index; /* Current index. */
+       uint16_t atio_q_length;
+
+       void *target_lport_ptr;
+       struct qla_tgt_func_tmpl *tgt_ops;
+       struct qla_tgt *qla_tgt;
+       struct qla_tgt_cmd *cmds[MAX_OUTSTANDING_COMMANDS];
+       uint16_t current_handle;
+
+       struct qla_tgt_vp_map *tgt_vp_map;
+       struct mutex tgt_mutex;
+       struct mutex tgt_host_action_mutex;
+
+       int saved_set;
+       uint16_t saved_exchange_count;
+       uint32_t saved_firmware_options_1;
+       uint32_t saved_firmware_options_2;
+       uint32_t saved_firmware_options_3;
+       uint8_t saved_firmware_options[2];
+       uint8_t saved_add_firmware_options[2];
+
+       uint8_t tgt_node_name[WWN_SIZE];
+};
+
 /*
  * Qlogic host adapter specific data structure.
 */
@@ -2460,7 +2514,9 @@ struct qla_hw_data {
                uint32_t        thermal_supported:1;
                uint32_t        isp82xx_reset_hdlr_active:1;
                uint32_t        isp82xx_reset_owner:1;
-               /* 28 bits */
+               uint32_t        isp82xx_no_md_cap:1;
+               uint32_t        host_shutting_down:1;
+               /* 30 bits */
        } flags;
 
        /* This spinlock is used to protect "io transactions", you must
@@ -2804,7 +2860,6 @@ struct qla_hw_data {
                                        /* ISP2322: red, green, amber. */
        uint16_t        zio_mode;
        uint16_t        zio_timer;
-       struct fc_host_statistics fc_host_stat;
 
        struct qla_msix_entry *msix_entries;
 
@@ -2817,7 +2872,6 @@ struct qla_hw_data {
        int             cur_vport_count;
 
        struct qla_chip_state_84xx *cs84xx;
-       struct qla_statistics qla_stats;
        struct isp_operations *isp_ops;
        struct workqueue_struct *wq;
        struct qlfc_fw fw_buf;
@@ -2863,6 +2917,8 @@ struct qla_hw_data {
        dma_addr_t      md_tmplt_hdr_dma;
        void            *md_dump;
        uint32_t        md_dump_size;
+
+       struct qlt_hw_data tgt;
 };
 
 /*
@@ -2920,6 +2976,7 @@ typedef struct scsi_qla_host {
 #define FCOE_CTX_RESET_NEEDED  18      /* Initiate FCoE context reset */
 #define MPI_RESET_NEEDED       19      /* Initiate MPI FW reset */
 #define ISP_QUIESCE_NEEDED     20      /* Driver need some quiescence */
+#define SCR_PENDING            21      /* SCR in target mode */
 
        uint32_t        device_flags;
 #define SWITCH_FOUND           BIT_0
@@ -2979,10 +3036,21 @@ typedef struct scsi_qla_host {
        struct req_que *req;
        int             fw_heartbeat_counter;
        int             seconds_since_last_heartbeat;
+       struct fc_host_statistics fc_host_stat;
+       struct qla_statistics qla_stats;
 
        atomic_t        vref_count;
 } scsi_qla_host_t;
 
+#define SET_VP_IDX     1
+#define SET_AL_PA      2
+#define RESET_VP_IDX   3
+#define RESET_AL_PA    4
+struct qla_tgt_vp_map {
+       uint8_t idx;
+       scsi_qla_host_t *vha;
+};
+
 /*
  * Macros to help code, maintain, etc.
  */